103139 2012-11-23 06:46:54 -0800 [ENCHANT] Infinite loop when end word position is not found 2012-11-23 08:41:25 -0800 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) PC Linux RESOLVED FIXED Gtk P2 Normal --- 1 cgarcia webkit-unassigned g.czajkowski mario mifenton mrobinson webkit.review.bot oldest_to_newest 774514 0 cgarcia 2012-11-23 06:46:54 -0800 The problem is that in TextCheckerEnchant::checkSpellingOfString() the inner loop that looks for the end of the word doesn't break when end > numberOfCharacters. 774517 1 175799 cgarcia 2012-11-23 06:51:48 -0800 Created attachment 175799 Patch We could just fix the infinite loop by adding the check to break the inner loop, but the code can be optimized and simplified a lot using the word iterator to iterate the words and it also fixes the infinite loop. 774565 2 175799 mrobinson 2012-11-23 07:59:00 -0800 Comment on attachment 175799 Patch Great. As long as tests pass this look like an incredible improvement. 774566 3 mrobinson 2012-11-23 08:00:59 -0800 You might want to double-check this patch before landing. At some point it seemed that the TextIterators did not support nested iterators. Perhaps that's been changed in WebCore though. This is an issue because the spell checker is called while walking through a text iterator at some points. 774586 4 cgarcia 2012-11-23 08:41:25 -0800 Committed r135618: <http://trac.webkit.org/changeset/135618> 175799 2012-11-23 06:51:48 -0800 2012-11-23 07:59:00 -0800 Patch wcore-enchant-infinite-loop.diff text/plain 8083 cgarcia ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZyBiL1NvdXJjZS9XZWJDb3JlL0No YW5nZUxvZwppbmRleCAyZWY3ZDM2Li5lMjU0NGRiIDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29y ZS9DaGFuZ2VMb2cKKysrIGIvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMjUg QEAKKzIwMTItMTEtMjMgIENhcmxvcyBHYXJjaWEgQ2FtcG9zICA8Y2dhcmNpYUBpZ2FsaWEuY29t PgorCisgICAgICAgIFtFTkNIQU5UXSBJbmZpbml0ZSBsb29wIHdoZW4gZW5kIHdvcmQgcG9zaXRp b24gaXMgbm90IGZvdW5kCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVn LmNnaT9pZD0xMDMxMzkKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKwor ICAgICAgICBDb3ZlcmVkIGJ5IGV4aXN0aW5nIHRlc3RzIGluIGVkaXRpbmcvc3BlbGxpbmcuCisK 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